src/third_party/v8/test/mjsunit/setter-on-constructor-prototype.js

// Copyright 2008 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
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//       copyright notice, this list of conditions and the following
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//       with the distribution.
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// Flags: --allow-natives-syntax

function RunTest(ensure_fast_case) {
  function C1() {
    this.x = 23;
  };
  C1.prototype = { set x(value) { this.y = 23; } };
  if (ensure_fast_case) {
    %ToFastProperties(C1.prototype);
  }

  for (var i = 0; i < 10; i++) {
    var c1 = new C1();
    assertEquals("undefined", typeof c1.x);
    assertEquals(23, c1.y);
  }


  function C2() {
    this.x = 23;
  };
  C2.prototype = { };
  C2.prototype.__proto__ = { set x(value) { this.y = 23; } };
  if (ensure_fast_case) {
    %ToFastProperties(C2.prototype.__proto__)
  }

  for (var i = 0; i < 10; i++) {
    var c2 = new C2();
    assertEquals("undefined", typeof c2.x);
    assertEquals(23, c2.y);
  }


  function C3() {
    this.x = 23;
  };
  C3.prototype = { };
  C3.prototype.__defineSetter__('x', function(value) { this.y = 23; });
  if (ensure_fast_case) {
    %ToFastProperties(C3.prototype);
  }

  for (var i = 0; i < 10; i++) {
    var c3 = new C3();
    assertEquals("undefined", typeof c3.x);
    assertEquals(23, c3.y);
  }


  function C4() {
    this.x = 23;
  };
  C4.prototype = { };
  C4.prototype.__proto__ = {  };
  C4.prototype.__proto__.__defineSetter__('x', function(value) { this.y = 23; });
  if (ensure_fast_case) {
    %ToFastProperties(C4.prototype.__proto__);
  }

  for (var i = 0; i < 10; i++) {
    var c4 = new C4();
    assertEquals("undefined", typeof c4.x);
    assertEquals(23, c4.y);
  }


  function D() {
    this.x = 23;
  };
  D.prototype = 1;
  if (ensure_fast_case) {
    %ToFastProperties(D.prototype);
  }

  for (var i = 0; i < 10; i++) {
    var d = new D();
    assertEquals(23, d.x);
    assertEquals("undefined", typeof d.y);
  }
}

RunTest(false);
RunTest(true);